Handle stud



FIG. 1 is a perspective view of a handle stud embodying my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view, the side opposite being identical;

FIG. 4 is an end elevational view, the end opposite being identical;

FIG. 5 is a bottom plan view. 

The ornamental design for a handle stud, as shown and described. 